package com.ssm.util;

import sun.misc.BASE64Encoder;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * Created by 墨殇
 * 2017/12/26.
 * @author Administrator
 */
public class EncoderByMd5 {


    /**利用MD5进行加密
     * @param str  待加密的字符串
     * @return  加密后的字符串
     * @throws NoSuchAlgorithmException  没有这种产生消息摘要的算法
     * @throws UnsupportedEncodingException
     */
    public static String EncoderByMd5(String str) throws NoSuchAlgorithmException, UnsupportedEncodingException {
        //确定计算方法
        MessageDigest md5=MessageDigest.getInstance("MD5");
        BASE64Encoder base64en = new BASE64Encoder();
        //加密后的字符串
        String newstr=base64en.encode(md5.digest(str.getBytes("utf-8")));
        return newstr;
    }
    public static void main(String[] args) {
        String md5 = null;
        try {
            md5 = EncoderByMd5("123");
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        System.out.println(md5);
    }
}
